JUY-967 I couldn't tell my wife even if my mouth split open, I got her mother pregnant... During a one-night, two-day hot spring trip, I lost myself and kept ejaculating inside her. - Shiraki Yuko

I came to a hot spring trip with my family of four at the invitation of my in-laws. For the sake of trying to have a baby, I had been living a life of abstinence for a month as ordered by my father-in-law, and I had decided that today was the day I would finally make love to my wife. But to my surprise, we got into a full-blown argument. With nowhere to direct my pent-up sexual desire, I found myself at a loss as I stared at my erect penis. That night, unable to sleep, I went to the bathroom to try and distract myself, but I happened to catch a glimpse of my mother-in-law's alluring figure as she bathed…